Imperial Oil Limited - Environmental Compliance Approval (air)

Instrument type: Environmental Compliance Approval (air)

ERO number
025-1237
Ministry reference number
1043-DLJJSV
Notice type
Instrument
Act
Environmental Protection Act, R.S.O. 1990
Posted by
Ministry of the Environment, Conservation and Parks
Notice stage
Proposal
Proposal posted
Comment period
November 4, 2025 - December 19, 2025 (45 days) Open
Last updated

This consultation closes at 11:59 p.m. on:
December 19, 2025

Proposal summary

This proposal is for an amendment to Environmental Compliance Approval (air & noise) No. 6254-9LVQ3V3 for Imperial Oil Limited, a refining and petrochemical manufacturing facility located in the City of Sarnia, Ontario.

Location details

Site address

602 Christina Street South
Sarnia, ON
Canada

Site location map

The location pin reflects the approximate area where environmental activity is taking place.

View this location on a map opens link in a new window

Proponent(s)

Imperial Oil Limited
602 Christina Street South
Sarnia, ON
N7T 7M5
Canada

Proposal details

This proposal is for an amendment to Environmental Compliance Approval (air & noise) No. 6254-9LVQ3V3 for Imperial Oil Limited, a refining and petrochemical manufacturing facility located in the City of Sarnia, Ontario.

The amendment is for the addition of three permanent vapour combustor units; one permanent thermal oxidizer and a temporary exemption (2028 – 2032) regarding opacity from the CO Boiler (COB) stack under O. Reg. 419/05 section 46(4).

The facility is registered under the petrochemical industry standard (103-17-393-rv0) related to the management and reporting of emissions for benzene, and the petroleum refining standard related to the management and reporting of emissions for benzene and benzo(a)pyrene. Per Section 5 (3) of O. Reg. 419/05, IOL Sarnia is not subject to schedule 3 standards for sulphur dioxide emissions from the facility.

Emissions to the air from this facility include:

  • total reduced sulphur
  • sulphur dioxide
  • ethylene
  • 1,2,4-trimethylbenzene
  • toluene
  • nitrogen oxides
  • nickel
  • manganese
  • lead
  • chromium; and
  • benzene

Supporting materials

View materials in person

Some supporting materials may not be available online. If this is the case, you can request to view the materials in person.

Get in touch with the office listed below to find out if materials are available.

Client Services and Permissions Branch
Address

135 St Clair Ave West
1st Floor
Toronto, ON
M4V 1P5
Canada

Office phone number

Comment

Let us know what you think of our proposal.

Have questions? Get in touch with the contact person below. Please include the ERO number for this notice in your email or letter to the contact.

Read our commenting and privacy policies.

Submit online

Submit by mail

Contact

Connect with us

Contact

Sign up for notifications

We will send you email notifications with any updates related to this consultation. You can change your notification preferences anytime by visiting settings in your profile page.

Follow this notice